3 Reasons Why Your Furnace Isnt Staying Lit and How to Fix It

A damaged furnace is a hassle to handle. There are many reasons this can happen, but one of the most likely is something wrong with the burners or related systems.

Newer furnaces don’t require pilot lights to keep the furnace lit. Instead, they use electronic ignition. If this ignition stops working correctly, the burners will not function like they are supposed to.

When your gas furnace is running properly, here’s how it should work:

  • The thermostat informs your furnace to run.
  • Your furnace’s draft inducer fan begins to spin in order to draw fresh air through your furnace.
  • The gas valve opens to send gas into the pilot burner.
  • An electronic spark starts the pilot light.
  • The flame sensor directs your furnace that the pilot has been lit.
  • The gas valve sends gas to the primary burners, which are lit by the pilot light.
  • Your furnace then moves warm air across your residence via ductwork.

If something malfunctions during this sequence, your furnace will deactivate for safety reasons. Or it might stop a few minutes into heating because it’s overheating.

A number of of these issues can be fixed on their own, but others are best handled by professional assistance. When you are looking for the fastest furnace repair in Charlotte, reach out to our heating Experts at 704-705-8135. We service all brands and our work is backed by a 100% Satisfaction Guarantee for a year.*

Here are several of the main reasons why your heating isn’t staying lit and what to do moving forward.

1. Dirty Flame Sensor

Your furnace’s flame sensor is a safety feature that informs your furnace when gas is ignited. If the sensor is dirty or faulty, it may work erratically or not at all. Even if the sensor is functioning as normal, misaligned positioning leaves it unable to sense the flame at all. While you may attempt troubleshooting and cleaning this sensor on your own, calling a pro like Komfort Air will ensure the problem is resolved swiftly and correctly.

2. Furnace is Too Warm

Your furnace has built-in safety functions that shut it off if it gets dangerously hot. One of the most common causes is a clogged filter. We recommend evaluating your air filter monthly. If you can’t see light through it, swap it out.

3. Thermostat is Malfunctioning

Your thermostat tells your furnace when it is time to heat your house. When it’s not operating normally, your furnace will have trouble keeping your residence warm. This can be a battery or electrical malfunction, depending on what kind of thermostat you use. We recommend reviewing your owner’s manual or manufacturer’s website for necessary troubleshooting procedures. If you still can’t get yours working, reach out to our Experts at 704-705-8135. We’ll pinpoint the cause quickly and can replace your thermostat, if needed.

Several of these issues, such as a dirty flame sensor or an overheated furnace, are caused by a lack of consistent furnace maintenance. It’s extremely helpful to have this service done every year, because it can help reduce breakdowns, improve your furnace’s energy efficiency and can even make it live longer.

We Have You Protected When It’s Time for Furnace Replacement

With enough time, your furnace cannot work like it used to regardless of attempts to repair or maintain it. When the time comes, call Komfort Air and our top-notch furnace replacement in Charlotte. We work with some of the best furnace brands, like Lennox®, to offer you affordable, energy-efficient heating systems.

When you’re contemplating replacing your furnace, consider taking advantage of our Advantage Program™. Getting a new furnace can be thousands of dollars out of pocket. As an Advantage member, you’ll receive a new furnace for just one affordable monthly fee. There’s no down payment or installation charges, and you get to pocket any helpful rebates.

What’s even better is that Advantage members don’t pay a dime for repairs** or maintenance. If you have a disaster, you’re guaranteed a fast response with 24/7 priority service. You’ll also receive discounts, no hidden charges and lots of other benefits.

Don’t put up with interruptions to your comfort for a moment longer. Give Komfort Air a call at 704-705-8135 to request an appointment now. Whether you need repairs or if it’s time for a new furnace, we guarantee your satisfaction.


*Not applicable to the Advantage Program. See your signed Advantage Program agreement for full details and exclusions. 100% Satisfaction Guarantee is subject to certain restrictions and limitations as set forth in the applicable Terms and Conditions. **See your signed Advantage Agreement for details.

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